CN201369283Y - Recovering and refilling device for sulfur hexafluoride gas - Google Patents
Recovering and refilling device for sulfur hexafluoride gas Download PDFInfo
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- CN201369283Y CN201369283Y CNU2009200887325U CN200920088732U CN201369283Y CN 201369283 Y CN201369283 Y CN 201369283Y CN U2009200887325 U CNU2009200887325 U CN U2009200887325U CN 200920088732 U CN200920088732 U CN 200920088732U CN 201369283 Y CN201369283 Y CN 201369283Y
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Abstract
The utility model relates to a recovering and refilling device for sulfur hexafluoride gas. The device comprises a recovered gas passage and a refilled gas passage. The recovered gas passage is formed by connecting the following components in series: a hand-operated valve (V0), a first electrically-operated valve (V1), a low-pressure dust filter, a first solenoid valve (SV1), a buffer tank, a compressor, a one-way valve, a cooler, a second electrically-operated valve (V2), a drier, a third electrically-operated valve (V3), a high-pressure dust filter, a fourth electrically-operated valve (V4) and a gas storage tank, wherein the hand-operated valve (V0) is used for being connected with equipment containing gas to be recovered. The refilled gas passage is formed by connecting the following components in series: the gas storage tank, a fifth electrically-operated valve (V5), a pressure relief valve, a sixth electrically-operated valve (V6) and the hand-operated valve (V0), wherein the hand-operated valve (V0) is used for being connected with equipment to be filled with the gas. Pressure gauges, pressure controllers and safety valves are arranged in the recovered gas passage and the refilled gas passage. The electrically-operated valves, the solenoid valve and the compressor are controlled by a circuit formed by a programmable logic controller. The recovering and refilling device for sulfur hexafluoride gas solves the problems of complex pipeline design, poor reliability and complicated operation in the prior art.
Description
Technical field
The utility model relates to a kind of sulfur hexafluoride gas reclaiming and recharging device, belongs to the reclaiming and recharging device of electric equipment arc extinguishing gases sulphur hexafluoride.
Background technology
Known many sulfur hexafluoride gas reclaim and charge and discharge device, when product design, for the Position Design with manual ball valve arrives the position that is fit to the human body operation, to arrange in a large number and establish back-shaped pipeline, make the design complexity of pipeline, the seepage of gas also easily works the mischief, also has the bigger pressure loss, simultaneously on complicated pipelines, because electromagnetically operated valve has pressure reduction just may cause unlatching, open impact device for avoiding electromagnetically operated valve, often want paired electromagnetically operated valve being set or setting up the loop, so also occur breakthrough easily, and make control complicated.
Reclaim and charge and discharge device at known many sulfur hexafluoride gas, its control section carries out conversion, the switching of gas circuit based on manual operation with manual ball valve, electromagnetically operated valve etc. in the gas circuit, the button on the control panel mostly is control assembly, as control the switching of compressor, the switching of vacuum pump etc., the function singleness of button for finishing a certain function, must be operated a plurality of buttons, cause and reach several buttons on the panel, when button is arranged, very easily cause misoperation, cause equipment fault.
Therefore known as can be known many sulfur hexafluoride gas reclaim and charge and discharge device and exist the not high and control button of circuit design complexity, reliability how easily to cause the problem of misoperation, and the maintenance, repair expense is rolled up, and reduce device lifetime greatly.
The utility model content
The purpose of this utility model provides the sulfur hexafluoride gas reclaiming and recharging device that a kind of circuit design is simple, reliability is high, easy and simple to handle, and known sulfur hexafluoride gas reclaiming and recharging device circuit design complexity, reliability are low, the problem of complex operation with solving.
For achieving the above object, the utility model adopts following technical scheme: a kind of sulfur hexafluoride gas reclaiming and recharging device, this device comprise the recovery gas circuit and recharge gas circuit:
Described recovery gas circuit is made of hand-operated valve V0, first valve with electrically motorized operation V1, low pressure dirt filter, first electromagnetically operated valve SV1, surge tank, compressor, unidirectional valve, cooler, second valve with electrically motorized operation V2, drier, the 3rd electrical ball valve V3, high pressure dirt filter, the 4th valve with electrically motorized operation V4, gas tank series connection, and hand-operated valve V0 is used to connect gas equipment to be recycled;
The described gas circuit that recharges is made of gas tank, the 5th valve with electrically motorized operation V5, pressure-reducing valve, the 6th valve with electrically motorized operation V6 and hand-operated valve V0 series connection, and hand-operated valve V0 is used to receive the equipment of inflation body;
Described recovery gas circuit is provided with Pressure gauge, pressure controller and safety valve with recharging in the gas circuit;
The circuit control that valve with electrically motorized operation on this device, electromagnetically operated valve, compressor constitute by a PLC controller.
The two ends of first electromagnetically operated valve SV1 and be connected to one in the described recovery gas circuit by second electromagnetically operated valve SV2, booster pump, the 3rd gas circuit that electromagnetically operated valve SV3 series connection constitutes, the circuit control that this booster pump also is made of above-mentioned PLC controller.
Between the high pressure dirt filter of described recovery gas circuit and the 4th the valve with electrically motorized operation V4 and recharge between the pressure-reducing valve of gas circuit and the 6th valve with electrically motorized operation V6 and connect one by the 7th gas circuit that valve with electrically motorized operation V7 constitutes.
This section gas circuit two ends that second valve with electrically motorized operation V2 in the described recovery gas circuit, drier, the 3rd electrical ball valve V3 series connection constitute also are parallel with one by the 8th gas circuit that valve with electrically motorized operation V8 constitutes.
The two ends of reclaiming the drier in the gas circuit are respectively equipped with a sample valve.
Be provided with a pressure controller PS1 and a Pressure gauge P1 on the described recovery gas circuit between low pressure dirt filter and first electromagnetically operated valve SV1, surge tank is provided with a safety valve, be provided with second pressure controller PS2 and second Pressure gauge P2 between surge tank and the safety valve, be provided with the 3rd pressure controller PS3, the 3rd Pressure gauge P3 and second safety valve between described cooler and second valve with electrically motorized operation V2, described recovery gas circuit is provided with the 4th pressure controller PS4 and the 4th pressure switch P4 with the inlet that recharges gas circuit.
This device also is provided with one and vacuumizes gas circuit, this gas circuit is made of the 9th valve with electrically motorized operation V9, the 4th electromagnetically operated valve SV4, vacuum pump and oil mist filter series connection, be provided with the 5th pressure controller PS5 between described the 9th valve with electrically motorized operation V9 and the 4th electromagnetically operated valve SV4, the circuit control that the valve with electrically motorized operation on this gas circuit, electromagnetically operated valve and vacuum pump also are made of above-mentioned PLC controller.
The beneficial effects of the utility model are: 1, owing to significantly reduced the usage quantity of electromagnetically operated valve, need not arrange in a large number and establish back-shaped pipeline, make the simplicity of design of pipeline, not only reduced the pressure loss, and reduced the possibility of harm gas permeation, on gas circuit, use valve with electrically motorized operation to replace electromagnetically operated valve, when being opened, valve with electrically motorized operation avoid equipment to be impacted, pressure controller that is provided with in the gas circuit and safety valve have guaranteed the security performance of gas circuit, improved the reliable type of device, prolonged the life-span of device, electromechanical equipment in valve with electrically motorized operation on all gas circuits and electromagnetically operated valve and the whole device is controlled by PLC simultaneously, improved the integrated level of system operation greatly, made the operation circle oversimplify handled easily.
2, the gas circuit that is made of second electromagnetically operated valve, booster pump and the 3rd electromagnetically operated valve series connection that is provided with in reclaiming gas circuit guarantees sulfur hexafluoride gas pressure in the gas circuit when reclaiming.
3, can reduce and make inflationtime can be more and more slower the time because quality reduces the pressure reduction that causes and be inflated between the equipment when the gas in the gas tank by the 7th gas circuit that valve with electrically motorized operation constitutes recharging of being provided with outside the gas circuit, can accelerate inflationtime, improve charging efficiency.
4, in reclaiming gas circuit in parallel one can be by the 8th gas circuit that valve with electrically motorized operation constitutes when needs are changed drier, as long as it is better to reclaim the situation of gas, guarantee that the gas recovery proceeds.
5, the sample valve that is provided with in reclaiming gas circuit can help to judge the sulfur hexafluoride gas situation through before and after the drier, thereby whether the operating state of grasping drier is normal.
What 6, be provided with in this device vacuumizes gas circuit and can not only treat the device that fills sulfur hexafluoride gas and vacuumize, and can vacuumize reclaiming and recharging gas circuit.
Description of drawings
Fig. 1 is a pneumatic diagram of the present utility model;
Fig. 2 is electric control theory figure of the present utility model;
Fig. 3 is the control flow chart that vacuumizes function;
Fig. 4 is the control flow chart that gas recharges function;
Fig. 5 is the control flow chart that gas reclaims function.
Embodiment
Below in conjunction with Fig. 1 the sulfur hexafluoride gas reclaiming and recharging device is described further, this device comprises the recovery gas circuit, recharge gas circuit and vacuumize gas circuit, described recovery gas circuit is by manual vacuum ball valve V0, electrical ball valve V1, low pressure dirt filter, electromagnetically operated valve SV1, surge tank, compressor, unidirectional valve, cooler, electrical ball valve V2, drier, electrical ball valve V3, high pressure dirt filter and the 4th electrical ball valve and gas tank series connection constitute, this section gas circuit that described inflation loop mesolow dirt filter and electromagnetically operated valve SV1 series connection constitute is provided with pressure controller PS1 and air gauge P1, the two ends of electromagnetically operated valve SV1 in parallel one by electromagnetically operated valve SV2, booster pump, the gas circuit that electromagnetically operated valve SV3 series connection constitutes, surge tank is provided with safety valve VW1, be provided with pressure controller PS2 and air gauge P2 between surge tank and the safety valve VW1, the gas circuit that cooler and electrical ball valve V2 series connection constitute is provided with pressure controller PS3, Pressure gauge P3 and safety valve VW2, cooler also is provided with a gas circuit that is made of valve with electrically motorized operation V8 on the gas circuit between the high pressure dirt filter, the two ends of drier are respectively equipped with a sample valve VW4 and another sample valve VW5, and described gas tank is provided with safety valve VW3, Pressure gauge P6;
The described gas circuit that recharges is made of gas tank, electrical ball valve V5, pressure-reducing valve, electrical ball valve V6 and manual vacuum ball valve V0 series connection, recharges between the high pressure dirt filter of the pressure-reducing valve of gas circuit and valve with electrically motorized operation V6 and recovery gas circuit and the valve with electrically motorized operation V4 and connects a gas circuit that is made of valve with electrically motorized operation V7;
The described gas circuit that vacuumizes is made of manual vacuum ball valve V0, electrical ball valve V9, the electromagnetically operated valve SV4 that is with inflation, vacuum pump and oil mist filter series connection, be provided with air gauge P4 at manual vacuum ball valve V0 on the gas circuit of electrical ball valve V9, electrical ball valve V9 is provided with pressure controller PS5 to the gas circuit of band inflation electromagnetically operated valve SV4;
Described recovery gas circuit, the porch that recharges gas circuit and vacuumize gas circuit are provided with pressure controller PS4 and Pressure gauge P4.
All electrical ball valves in this device, the circuit control that electromagnetically operated valve and electromechanical equipment constitute by a Programmable Logic Controller PLC, as shown in Figure 2, the output wiring terminal of described Programmable Logic Controller PLC and power relay KA11, KA12, KA21, KA22, KA31, KA32, KA41, KA42, KA51, KA52, KA61, KA62, KA71, KA72, KA81, KA82, KA91, the solenoid of KA92 and electromagnetically operated valve SV1, SV2, SV3, the solenoid of SV4 and A.C. contactor KM3, KM4, KM41, KM42, the solenoid of KM5 links to each other and constitutes control circuit, described power relay KA11, the normally open contact of KA12 connects together and is concatenated on the motor power-supply wire of electrical ball valve V1, the state of opening of the normally open contact control electrical ball valve V1 of power relay KA11, the off status of the normally open contact control electrical ball valve V1 of power relay KA12, the normally open contact of other power relay adopts identical connection to be connected with all the other electrical ball valves, one end of A.C. contactor KM3 output, one end of A.C. contactor KM4 output, one end of A.C. contactor KM5 output respectively with compressor, the motor of vacuum pump and booster pump inserts terminal and is connected, A.C. contactor KM3, A.C. contactor KM4, on another termination three phase mains of their output of A.C. contactor KM5, also be connected to transformer on the wherein two-phase of three phase mains.
The function of the present utility model and the course of work are as follows:
Start:
After the start, PLC and touch-screen power up, the touch-screen screen enters welcomes the interface, and PLC at first locks output, again according to the default electrical ball valve state of table 1, whether detect the corresponding input terminal of PLC consistent, as inconsistent then program control PLC lead-out terminal energising, ball valve is resetted, after resetting, the PLC auxiliary relay that default representative ball valve resets is set, and the touch-screen screen enters control button interface.
| V1 | V2 | V3 | V4 | V5 | V6 | V7 | V8 | V9 |
| 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Table 1
Annotate: electrical ball valve initial condition: V1V2V3V4V5V6V7V8V9,0 for closing, and 1 for opening.
Vacuumize:
The flow process that vacuumizes as shown in Figure 3, when the PLC auxiliary relay of representing ball valve to reset is set, after the touch-screen screen entered control button interface, vacuumizing function could start.
Equipment is connected by manual ball valve V0 and this device, on touch-screen, click and vacuumize button, the PLC follow procedure is given the state of the opening energising of vacuum pump, band inflation electromagnetically operated valve SV4 and electrical ball valve V9 automatically simultaneously, open electrical ball valve V9, after the opening status signal and arrive of electrical ball valve V9, PLC gives the state of the opening outage of electrical ball valve V9; Whether pressure controller PS5 detects vacuum degree up to standard, PS5 passes to PLC with detected signal, PLC judges whether to reach the state that stops to vacuumize function, reach the back and give the off status energising of electrical ball valve V9, close electrical ball valve V9, after the off status signal of electrical ball valve V9 arrived, PLC gave the off status outage of electrical ball valve V9; Give vacuum pump, band inflation electromagnetically operated valve SV4 outage simultaneously, after the off status of electrical ball valve V9, vacuum pump, the band inflation electromagnetically operated valve SV4 outage, PLC carries out homing action by table 1 pair all electrical ball valves, again with the set of PLC auxiliary relay.
Gas recharges:
The flow process that gas recharges is gone into shown in Figure 4, and after the PLC auxiliary relay of representing ball valve to reset was set, and the touch-screen screen enters control button interface, aerification function could start.
Equipment is connected by manual vacuum ball valve V0 and this device, on touch-screen, click the inflation button, the PLC follow procedure is given the state of the opening energising of electrical ball valve V6 automatically, open electrical ball valve V6, after the opening status signal and arrive of electrical ball valve V6, PLC gives the state of the opening outage of electrical ball valve V6, give the state of the opening energising of electrical ball valve V5 simultaneously, open electrical ball valve V5, after the opening status signal and arrive of electrical ball valve V5, PLC gives the state of the opening outage of electrical ball valve V5; Whether pressure controller PS4 detected pressures value is up to standard, pressure controller PS4 passes to PLC with detected signal, PLC judges whether to reach the state that stops aerification function, reach the back and give the off status energising of electrical ball valve V5, close electrical ball valve V5, after the off status signal of electrical ball valve V5 arrives, PLC gives the off status outage of electrical ball valve V5, give the off status energising of electrical ball valve V6 simultaneously, close electrical ball valve V6, after the off status signal of electrical ball valve V6 arrived, PLC gave the off status outage of electrical ball valve V6; After the off status signal of electrical ball valve V5, V6 arrived, PLC carried out homing action by table 1 pair electrical ball valve, again the PLC auxiliary relay is set.
After retracting device is being inflated a period of time, along with the gaseous mass in air accumulator reduces, and the pressure reduction that is inflated between the equipment reduces, inflationtime can be more and more slower, therefore in order to improve charging efficiency, need to use the fast aeration function, equipment is connected by manual vacuum ball valve V0 and this device, on touch-screen, click the fast aeration function button, PLC calls the aerification function program, when gas tank air pressure less than 10bar, open electrical ball valve V7, the blowing pressure value is closed electrical ball valve V7 after arriving.
Gas reclaims:
The flow process that gas reclaims is gone into shown in Figure 5, and after the PLC auxiliary relay of representing ball valve to reset was set, and the touch-screen screen enters control button interface, reclaiming function could start.
Equipment is connected by manual vacuum ball valve V0 and this device, on touch-screen, click and reclaim button, the PLC follow procedure starts energising for automatically simultaneously the state of opening of electrical ball valve V4, compressor star, after the opening status signal and arrive of electrical ball valve V4, the state of the opening outage of electrical ball valve V4, compressor triangle operation energising after 30 seconds, star starts outage, after 10 seconds, open state, compressor internal electrical magnet valve and electromagnetically operated valve SV1 energising for simultaneously electrical ball valve V1; Whether pressure controller PS4 detected pressures reaches force value 1, pressure controller PS4 passes to PLC with detected signal, and PLC judges whether to reach the state of opening booster pump, if reach, then PLC is simultaneously to booster pump and electromagnetically operated valve SV2, SV3 energising, electromagnetically operated valve SV1 outage; Whether pressure controller PS4 detected pressures reaches force value 2, judge whether to reach the state that stops to reclaim function, after reaching, PLC is simultaneously to booster pump and electromagnetically operated valve SV2, SV3, compressor outage, PLC carries out homing action by table 1 pair all electrical ball valves simultaneously, again the PLC auxiliary relay is set.
In addition, after retracting device is moving a period of time, drier wherein may lose efficacy, at this moment may not only can not improve the humidity percentage of gas, can reduce the humidity percentage of gas on the contrary, at this moment should change drier, but the time of Geng Huaning may be very long sometimes, for not allowing the production work that relates to stagnate,, just can in certain scope, enable no drier and reclaim function as long as the gas-condition that reclaims is better.
At first equipment is connected by manual vacuum ball valve V0 and this device, on touch-screen, click no drier and reclaim function button, electrical ball valve V8 is opened in the control of PLC follow procedure, close electrical ball valve V2, V3 simultaneously, after the corresponding state signal feedback of three electrical ball valves is given PLC, PLC calls the recovery function program after judging that three status signals all satisfy no drier recovering condition, reclaims the function operation according to gas.
Claims (7)
1, a kind of sulfur hexafluoride gas reclaiming and recharging device is characterized in that, this device comprises the recovery gas circuit and recharges gas circuit:
Described recovery gas circuit is made of hand-operated valve (V0), first valve with electrically motorized operation (V1), low pressure dirt filter, first electromagnetically operated valve (SV1), surge tank, compressor, unidirectional valve, cooler, second valve with electrically motorized operation (V2), drier, the 3rd electrical ball valve (V3), high pressure dirt filter, the 4th valve with electrically motorized operation (V4), gas tank series connection, and hand-operated valve (V0) is used to connect gas equipment to be recycled;
The described gas circuit that recharges is made of gas tank, the 5th valve with electrically motorized operation (V5), pressure-reducing valve, the 6th valve with electrically motorized operation (V6) and hand-operated valve (V0) series connection, and hand-operated valve (V0) is used to receive the equipment of inflation body;
Described recovery gas circuit is provided with Pressure gauge, pressure controller and safety valve with recharging in the gas circuit;
The circuit control that valve with electrically motorized operation on this device, electromagnetically operated valve, compressor constitute by a PLC controller.
2, sulfur hexafluoride gas reclaiming and recharging device according to claim 1, it is characterized in that: two ends of first electromagnetically operated valve (SV1) and be connected to a gas circuit that constitutes by second electromagnetically operated valve (SV2), booster pump, the 3rd electromagnetically operated valve (SV3) series connection, the circuit control that this booster pump also is made of above-mentioned PLC controller in the described recovery gas circuit.
3, sulfur hexafluoride gas reclaiming and recharging device according to claim 1 is characterized in that: between the high pressure dirt filter of described recovery gas circuit and the 4th valve with electrically motorized operation (V4) and recharge and connect a gas circuit that is made of the 7th valve with electrically motorized operation (V7) between the pressure-reducing valve of gas circuit and the 6th valve with electrically motorized operation (V6).
4, sulfur hexafluoride gas reclaiming and recharging device according to claim 2 is characterized in that: this section gas circuit two ends that second valve with electrically motorized operation (V2), drier, the 3rd electrical ball valve (V3) series connection constitute in the described recovery gas circuit also are parallel with a gas circuit that is made of the 8th valve with electrically motorized operation (V8).
5, sulfur hexafluoride gas reclaiming and recharging device according to claim 4 is characterized in that: the two ends of reclaiming the drier in the gas circuit are respectively equipped with a sample valve.
6, sulfur hexafluoride gas reclaiming and recharging device according to claim 5, it is characterized in that: be provided with a pressure controller (PS1) and a Pressure gauge (P1) on the described recovery gas circuit between low pressure dirt filter and first electromagnetically operated valve (SV1), surge tank is provided with a safety valve, be provided with second pressure controller (PS2) and second Pressure gauge (P2) between surge tank and the safety valve, be provided with the 3rd pressure controller (PS3) between described cooler and second valve with electrically motorized operation (V2), the 3rd Pressure gauge (P3) and second safety valve, described recovery gas circuit is provided with the 4th pressure controller (PS4) and the 4th pressure switch (P4) with the inlet that recharges gas circuit.
7, according to the described sulfur hexafluoride gas reclaiming and recharging device of any claim of claim 1 to 6, it is characterized in that: this device also is provided with one and vacuumizes gas circuit, this gas circuit is made of the 9th valve with electrically motorized operation (V9), the 4th electromagnetically operated valve (SV4), vacuum pump and oil mist filter series connection, be provided with the 5th pressure controller (PS5) between described the 9th valve with electrically motorized operation (V9) and the 4th electromagnetically operated valve (SV4), the circuit control that the valve with electrically motorized operation on this gas circuit, electromagnetically operated valve and vacuum pump also are made of above-mentioned PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200887325U CN201369283Y (en) | 2009-02-27 | 2009-02-27 | Recovering and refilling device for sulfur hexafluoride gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200887325U CN201369283Y (en) | 2009-02-27 | 2009-02-27 | Recovering and refilling device for sulfur hexafluoride gas |
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| Publication Number | Publication Date |
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| CN201369283Y true CN201369283Y (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200887325U Expired - Lifetime CN201369283Y (en) | 2009-02-27 | 2009-02-27 | Recovering and refilling device for sulfur hexafluoride gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101877287A (en) * | 2010-06-10 | 2010-11-03 | 安徽省电力公司淮北供电公司 | Site-measurement tail gas recovering device of sulfur hexafluoride equipment |
| CN102233216A (en) * | 2010-04-29 | 2011-11-09 | 北京市电力公司 | Gas filtering device and method |
| WO2012103675A1 (en) * | 2011-01-31 | 2012-08-09 | 平高集团有限公司 | Apparatus for separating and cleaning sulfur hexafluoride gas and method for cleaning sulfur hexafluoride by using the same |
| CN102768217A (en) * | 2011-05-04 | 2012-11-07 | 吉林亚新工程检测有限责任公司 | X-ray flaw detector generator pipe barrel SF6 gas vacuum-pumping inflator |
| CN104482400A (en) * | 2014-11-14 | 2015-04-01 | 国家电网公司 | Portable SF6 gas recovery device |
| CN107422659A (en) * | 2017-04-07 | 2017-12-01 | 国网天津市电力公司 | A kind of control device for sulfur hexafluoride gas recovery refilling operation |
| CN107588325A (en) * | 2017-09-08 | 2018-01-16 | 河南平高电气股份有限公司 | A kind of sulfur hexafluoride gas reclaims aerating device |
| CN107774100A (en) * | 2017-11-13 | 2018-03-09 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Sulfur hexafluoride Quick drying system |
| CN108386713A (en) * | 2018-02-12 | 2018-08-10 | 国家电网公司 | A kind of insulating gas processing unit and its control method |
| CN108626398A (en) * | 2018-06-08 | 2018-10-09 | 中国船舶重工集团公司第七〇九研究所 | A kind of system that high pressure oil-containing gases leakage reclaiming clean recharges |
| CN114857492A (en) * | 2022-04-19 | 2022-08-05 | 安徽新力电业科技咨询有限责任公司 | Sectional type pressurization and continuous storage SF 6 On-site gas recovery device |
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2009
- 2009-02-27 CN CNU2009200887325U patent/CN201369283Y/en not_active Expired - Lifetime
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| CN102233216A (en) * | 2010-04-29 | 2011-11-09 | 北京市电力公司 | Gas filtering device and method |
| CN102233216B (en) * | 2010-04-29 | 2013-10-16 | 国家电网公司 | Gas filtering device and method |
| CN101877287A (en) * | 2010-06-10 | 2010-11-03 | 安徽省电力公司淮北供电公司 | Site-measurement tail gas recovering device of sulfur hexafluoride equipment |
| WO2012103675A1 (en) * | 2011-01-31 | 2012-08-09 | 平高集团有限公司 | Apparatus for separating and cleaning sulfur hexafluoride gas and method for cleaning sulfur hexafluoride by using the same |
| CN102768217A (en) * | 2011-05-04 | 2012-11-07 | 吉林亚新工程检测有限责任公司 | X-ray flaw detector generator pipe barrel SF6 gas vacuum-pumping inflator |
| CN104482400A (en) * | 2014-11-14 | 2015-04-01 | 国家电网公司 | Portable SF6 gas recovery device |
| CN107422659A (en) * | 2017-04-07 | 2017-12-01 | 国网天津市电力公司 | A kind of control device for sulfur hexafluoride gas recovery refilling operation |
| CN107588325B (en) * | 2017-09-08 | 2019-09-13 | 河南平高电气股份有限公司 | A kind of sulfur hexafluoride gas recycling air charging system |
| WO2019047349A1 (en) * | 2017-09-08 | 2019-03-14 | 河南平高电气股份有限公司 | Gas recovery and inflation device and sulfur hexafluoride gas recovery and inflation device |
| CN107588325A (en) * | 2017-09-08 | 2018-01-16 | 河南平高电气股份有限公司 | A kind of sulfur hexafluoride gas reclaims aerating device |
| CN107774100A (en) * | 2017-11-13 | 2018-03-09 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Sulfur hexafluoride Quick drying system |
| CN108386713A (en) * | 2018-02-12 | 2018-08-10 | 国家电网公司 | A kind of insulating gas processing unit and its control method |
| CN108386713B (en) * | 2018-02-12 | 2023-12-01 | 国家电网公司 | Insulating gas treatment device and control method thereof |
| CN108626398A (en) * | 2018-06-08 | 2018-10-09 | 中国船舶重工集团公司第七〇九研究所 | A kind of system that high pressure oil-containing gases leakage reclaiming clean recharges |
| CN114857492A (en) * | 2022-04-19 | 2022-08-05 | 安徽新力电业科技咨询有限责任公司 | Sectional type pressurization and continuous storage SF 6 On-site gas recovery device |
| CN114857492B (en) * | 2022-04-19 | 2023-10-31 | 安徽新力电业科技咨询有限责任公司 | Sectional type supercharged and continuously stored SF 6 Gas on-site recovery device |
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| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: PINGGAO ELECTRIC CO., LTD., HENAN Free format text: FORMER OWNER: PINGGAO GROUP CO., LTD. Effective date: 20131209 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131209 Address after: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee after: Pinggao Electric Co., Ltd., Henan Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee before: Pinggao Group Co., Ltd. |
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| CX01 | Expiry of patent term | ||
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Granted publication date: 20091223 |